S
M
T
W
T
F
S
30
80°
60°
31
82°
64°
1
86°
57°
2
84°
58°
3
79°
57°
4
80°
58°
5
81°
65°
6
84°
64°
7
86°
63°
8
80°
64°
9
78°
64°
10
82°
62°
11
83°
61°
12
82°
62°
13
80°
60°
14
77°
55°
15
77°
55°
16
76°
54°
17
76°
55°
18
77°
60°
19
79°
60°
20
80°
61°
21
81°
57°
22
77°
53°
23
75°
58°
24
74°
60°
25
80°
54°
26
72°
57°
27
78°
58°
28
78°
57°
29
Hist. Avg.
74°
55°
30
Hist. Avg.
74°
55°
1
Hist. Avg.
73°
54°
2
Hist. Avg.
73°
54°
3
Hist. Avg.
72°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Tavistock
Tavistock's September 2026 forecast shows daily high temperatures ranging from 72° to 86°, with overnight lows between 53° and 65°. The average high for September is 79° with an average low of 59°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Tavistock. See also: October | November | December.